NPPES file of Aug 9, 2026

Jens Hillengass, MD

Medical Oncology Physician · Buffalo, NY

Jens Hillengass, MD is a medical oncology physician with a practice address in Buffalo, New York, and NPI 1447748058, issued on Apr 30, 2018. Check the license (New York 293671, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1447748058
Name
Jens Hillengass
Credential
MD
Primary taxonomy
Medical Oncology Physician 207RX0202X
License number
293671 NY
Self-reported in NPPES; status is on the state search
Practice location
Elm And Carlton Streets, Buffalo, NY 14263
Phone
(716) 845-2300
Enumerated
Apr 30, 2018
Record last updated
Aug 12, 2019 (not updated in 7 years: call before relying on the address or phone)
Fax
(716) 845-2293
Medicare enrollment
Enrolled (PECOS I20180828002605); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at Elm And Carlton Streets

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Ajay Abad, MDNeurology Physician1639311244
  2. Ronald Alberico, MDDiagnostic Radiology Physician1366447567
  3. Nikolaos Almyroudis, MDInfectious Disease Physician1962407163
  4. Marycatherine Aungst, FNPNurse Practitioner1881188639
  5. Molly Aungst, ANPNurse Practitioner1699117606
  6. Barbara Bambach, MDPediatric Hematology & Oncology Physician1710982418

Verify Jens Hillengass in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
    Search for license 293671
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the New York license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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75% fewer Medicare Part D claims than the average medical oncology physician in 2024

173 Medicare Part D claims for 57 beneficiaries, against an average of 703 among the 4,230 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims.

  1. Jens Hillengass173
  2. Specialty average703

Most prescribed

  1. Acyclovir40 claims
  2. Levofloxacin32 claims
  3. Dexamethasone24 claims
  4. Eliquis12 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $10,695.37

18 payments; by number, the most common kind was travel and lodging; the largest payer was Regeneron Pharmaceuticals, Inc. The 3,343 providers of this specialty with any payment received $11,773.47 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Jens Hillengass$10,695
  2. Specialty average$11,773

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Roswell Park Cancer InstituteBuffalo, NY

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Medical Oncology Physician providers in New York

There are 548 medical oncology physician records in New York.

Other medical oncology physician records in New York

  1. Anuja AbhyankarBuffalo, NY1679181424
  2. Ghassan Abou-Alfa, MDNew York, NY1134190168
  3. Nour AbuhadraNew York, NY1598146227
  4. Melissa AccordinoNew York, NY1740422039
  5. David Aggen, M.D., PH.D.New York, NY1194168955
  6. Carol Aghajanian, MDNew York, NY1275570533
  7. Omobolaji Akala, MD/PHDNew York, NY1366735722
  8. Duaa Al Rawi, MD PHDNew York, NY1356838353
  9. Louis Aledort, MDNew York, NY1861424061
  10. Reem AlsuwailemNew York, NY1689412801

Common questions

What is Jens Hillengass, MD's NPI number?

Jens Hillengass, MD's National Provider Identifier (NPI) is 1447748058, issued on Apr 30, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Jens Hillengass, MD located?

The NPPES record lists a practice address at Elm And Carlton Streets, Buffalo, NY, 14263. Phone: (716) 845-2300. Providers update this record themselves, so call before visiting.

How can I verify Jens Hillengass, MD's license?

NPPES lists New York license number 293671, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Jens Hillengass, MD prescribe under Medicare Part D?

In 2024, Jens Hillengass, MD had 173 Medicare Part D claims for 57 beneficiaries; the average among medical oncology physician prescribers was 703. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.